The contrast drawn by our Lord between the youth and age of Peter is couched in language so general that it throws light on the usual course of human life and the broad characteristics of human experience. In youth attachment to Christ will naturally show itself in such gratuitous and yet most pardonable and even touching exhibitions of love as Peter here made. There is a girding of oneself to duty and to all manner of attainment. There is no hesitation, no shivering on the brink, no weighing of difficulties; but an impulsive and almost headstrong commital of oneself to duties unthought of by others, an honest surprise at the laxity of the Church, much brave speaking, and much brave acting too. Some of us, indeed, taking a hint from our own experience, may affirm that a good deal we hear about youth being warmer in Christ's service than maturity is not true, and that it had been a very poor prospect for ourselves if it had been true; and that with greater truth it may be said that youthful attachment to Christ is often delusive, selfish, foolish, and sadly in need of amendment. This may be so.
But however this may be, there can be no doubt that in youth we are free to choose. Life lies before us like the unhewn block of marble, and we may fashion it as we please. Circumstances may seem to necessitate our departing from one line of life and choosing another; but, notwithstanding, all the possibilities are before us. We may make ours a high and noble career; life is not as yet spoiled for us, or determined, while we are young. The youth is free to walk whither he will; he is not yet irrecoverably pledged to any particular calling; he is not yet doomed to carry to the grave the marks of certain habits, but may gird on himself whatever habit may fit him best and leave him freest for Christ's service.
Peter heard the words "Follow Me," and rose and went after Jesus; John did the same without any special call. There are those who need definite impulses, others who are guided in life by their own constant love. John would always absorbedly follow. Peter had yet to learn to follow, to own a leader. He had to learn to seek the guidance of his Lord's will, to wait upon that will and to interpret it--never an easy thing to do, and least of all easy to a man like Peter, fond of managing, of taking the lead, too hasty to let his thoughts settle and his spirit fixedly consider the mind of Christ.
It is obvious that when Jesus uttered the words "Follow Me," He moved away from the spot where they had all been standing together. And yet, coming as they did after so very solemn a colloquy, these words must have carried to Peter's mind a further significance than merely an intimation that the Lord wished His company then. Both in the mind of the Lord and of Peter there seems still to have been a vivid remembrance of Peter's denial; and as the Lord has given him opportunity of confessing his love, and has hinted what this love will lead him to, He appropriately reminds him that any penalties he might suffer for his love were all in the path which led straight to where Christ Himself for ever is. The superiority to earthly distresses which Christ now enjoyed would one day be his. But while he is beginning to take in these thoughts Peter turns and sees John following; and, with that promptness to interfere which characterised him, he asked Jesus what was to become of this disciple. This question betrayed a want of steadiness and seriousness in contemplating his own duty, and met therefore with rebuke: "If I will that he tarry till I come, what is that to thee? follow thou Me." Peter was prone to intermeddle with matters beyond his sphere, and to manage other people's affairs for them. Such a disposition always betrays a lack of devotion to our own calling. To brood over the easier lot of our friend, to envy him his capacity and success, to grudge him his advantages and happiness, is to betray an injurious weakness in ourselves. To be unduly anxious about the future of any part of Christ's Church, as if He had omitted to arrange for that future, to act as if we were essential to the well-being of some part of Christ's Church, is to intermeddle like Peter. To show astonishment or entire incredulity or misunderstanding if a course in life quite different from ours is found to be quite as useful to Christ's people and to the world as ours; to show that we have not yet apprehended how many men, how many minds, how many methods, it takes to make a world, is to incur the rebuke of Peter. Christ alone is broad as humanity and has sympathy for all. He alone can find a place in His Church for every variety of man.